package data;

import java.util.List;

import logic.Destination;
import logic.User;
import logic.Volunteer;

public interface IVolunteerDAO {
	
	boolean registerInActivity(String userId, String activityId);
	List<Volunteer> listVolunteers();
	boolean cancelRegistration(String userId,String ActivityID);
    List<Destination> selectNearestDestinies(User u);
	
	
}
